cfia_assert_eq_N_words: Use explicit registers.

This allows for smaller code because we can guarantee the register ids fit in the 16-bit encoding.
chipsalliance · Nov 8, 2023 · 6518adf · 6518adf
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commit 6518adf
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diff --git a/FROZEN_IMAGES.sha384sum b/FROZEN_IMAGES.sha384sum
@@ -1,3 +1,3 @@
 # WARNING: Do not update this file without the approval of the Caliptra TAC
-6b280ebd87f2343c2deeef3f5707d15b112ff6369a1d233dd261667bbf43b4477a51702a300de4d554a3da389e9f1342  caliptra-rom-no-log.bin
-9cfd467b59716222a6462d3d3ba11c2b0978938782f4fc3b6478a5f6cab4a9f8eeb63fb98e97c105eb1c3cf6bce8877b  caliptra-rom-with-log.bin
+9748500734dd3a8be5322398c0cb93b323f6cd129733a93613242d0d798fa6413c9df4069e4b9ee2836e607afe7d93b1  caliptra-rom-no-log.bin
+83d889a24c51177220a2074c1153e3aaf49e01dd7f44b999044c60057394ee9cf71ac30d62025da3112f2fee56e8fad5  caliptra-rom-with-log.bin
diff --git a/cfi/lib/src/cfi.rs b/cfi/lib/src/cfi.rs
@@ -212,44 +212,44 @@ pub fn cfi_assert_eq_12_words(a: &[u32; 12], b: &[u32; 12]) {
             "li a0, 0x01040055",
             "j cfi_panic_handler",
             "3:",
-            "lw {tmp0}, 0({a})",
-            "lw {tmp1}, 0({b})",
+            "lw {tmp0}, 0(a4)",
+            "lw {tmp1}, 0(a5)",
             "bne {tmp0}, {tmp1}, 2b",
-            "lw {tmp0}, 4({a})",
-            "lw {tmp1}, 4({b})",
+            "lw {tmp0}, 4(a4)",
+            "lw {tmp1}, 4(a5)",
             "bne {tmp0}, {tmp1}, 2b",
-            "lw {tmp0}, 8({a})",
-            "lw {tmp1}, 8({b})",
+            "lw {tmp0}, 8(a4)",
+            "lw {tmp1}, 8(a5)",
             "bne {tmp0}, {tmp1}, 2b",
-            "lw {tmp0}, 12({a})",
-            "lw {tmp1}, 12({b})",
+            "lw {tmp0}, 12(a4)",
+            "lw {tmp1}, 12(a5)",
             "bne {tmp0}, {tmp1}, 2b",
-            "lw {tmp0}, 16({a})",
-            "lw {tmp1}, 16({b})",
+            "lw {tmp0}, 16(a4)",
+            "lw {tmp1}, 16(a5)",
             "bne {tmp0}, {tmp1}, 2b",
-            "lw {tmp0}, 20({a})",
-            "lw {tmp1}, 20({b})",
+            "lw {tmp0}, 20(a4)",
+            "lw {tmp1}, 20(a5)",
             "bne {tmp0}, {tmp1}, 2b",
-            "lw {tmp0}, 24({a})",
-            "lw {tmp1}, 24({b})",
+            "lw {tmp0}, 24(a4)",
+            "lw {tmp1}, 24(a5)",
             "bne {tmp0}, {tmp1}, 2b",
-            "lw {tmp0}, 28({a})",
-            "lw {tmp1}, 28({b})",
+            "lw {tmp0}, 28(a4)",
+            "lw {tmp1}, 28(a5)",
             "bne {tmp0}, {tmp1}, 2b",
-            "lw {tmp0}, 32({a})",
-            "lw {tmp1}, 32({b})",
+            "lw {tmp0}, 32(a4)",
+            "lw {tmp1}, 32(a5)",
             "bne {tmp0}, {tmp1}, 2b",
-            "lw {tmp0}, 36({a})",
-            "lw {tmp1}, 36({b})",
+            "lw {tmp0}, 36(a4)",
+            "lw {tmp1}, 36(a5)",
             "bne {tmp0}, {tmp1}, 2b",
-            "lw {tmp0}, 40({a})",
-            "lw {tmp1}, 40({b})",
+            "lw {tmp0}, 40(a4)",
+            "lw {tmp1}, 40(a5)",
             "bne {tmp0}, {tmp1}, 2b",
-            "lw {tmp0}, 44({a})",
-            "lw {tmp1}, 44({b})",
+            "lw {tmp0}, 44(a4)",
+            "lw {tmp1}, 44(a5)",
             "bne {tmp0}, {tmp1}, 2b",
-            a = in(reg) a.as_ptr(),
-            b = in(reg) b.as_ptr(),
+            in("a4") a.as_ptr(),
+            in("a5") b.as_ptr(),
             tmp0 = out(reg) _,
             tmp1 = out(reg) _);
     }
@@ -276,26 +276,26 @@ pub fn cfi_assert_eq_6_words(a: &[u32; 6], b: &[u32; 6]) {
             "li a0, 0x01040055",
             "j cfi_panic_handler",
             "3:",
-            "lw {tmp0}, 0({a})",
-            "lw {tmp1}, 0({b})",
+            "lw {tmp0}, 0(a4)",
+            "lw {tmp1}, 0(a5)",
             "bne {tmp0}, {tmp1}, 2b",
-            "lw {tmp0}, 4({a})",
-            "lw {tmp1}, 4({b})",
+            "lw {tmp0}, 4(a4)",
+            "lw {tmp1}, 4(a5)",
             "bne {tmp0}, {tmp1}, 2b",
-            "lw {tmp0}, 8({a})",
-            "lw {tmp1}, 8({b})",
+            "lw {tmp0}, 8(a4)",
+            "lw {tmp1}, 8(a5)",
             "bne {tmp0}, {tmp1}, 2b",
-            "lw {tmp0}, 12({a})",
-            "lw {tmp1}, 12({b})",
+            "lw {tmp0}, 12(a4)",
+            "lw {tmp1}, 12(a5)",
             "bne {tmp0}, {tmp1}, 2b",
-            "lw {tmp0}, 16({a})",
-            "lw {tmp1}, 16({b})",
+            "lw {tmp0}, 16(a4)",
+            "lw {tmp1}, 16(a5)",
             "bne {tmp0}, {tmp1}, 2b",
-            "lw {tmp0}, 20({a})",
-            "lw {tmp1}, 20({b})",
+            "lw {tmp0}, 20(a4)",
+            "lw {tmp1}, 20(a5)",
             "bne {tmp0}, {tmp1}, 2b",
-            a = in(reg) a.as_ptr(),
-            b = in(reg) b.as_ptr(),
+            in("a4") a.as_ptr(),
+            in("a5") b.as_ptr(),
             tmp0 = out(reg) _,
             tmp1 = out(reg) _);
     }